3-(4-Methoxyphenyl)-2-((2-(3-methoxyphenyl)-2-oxoethyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one CAS 477329-25-2
| CAS No. | 477329-25-2 |
| Molecular Formula | C26H24N2O4S2 |
| Molecular Weight | 492.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(4-Methoxyphenyl)-2-((2-(3-methoxyphenyl)-2-oxoethyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(4-Methoxyphenyl)-2-((2-(3-methoxyphenyl)-2-oxoethyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 477329-25-2), molecular formula C26H24N2O4S2 and molecular weight 492.61 g/mol, is a CATO reference standard with documented purity and traceability.
3-(4-Methoxyphenyl)-2-((2-(3-methoxyphenyl)-2-oxoethyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (C26H24N2O4S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(4-Methoxyphenyl)-2-((2-(3-methoxyphenyl)-2-oxoethyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C26H24N2O4S2 |
| Molecular Weight | 492.61 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Methoxyphenyl Standards
- 3-(4-Methoxyphenyl)-2-((2-(4-methoxyphenyl)-2-oxoethyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 477329-41-2)
- 2-((5-(4-Methoxyphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N,N-diphenylacetamide (CAS 332385-00-9)
- (E)-{[1-(4-methoxyphenyl)-4-[(4-methylphenyl)sulfanyl]-2-phenyl-6,7-dihydro-1H-indol-5-yl]methylidene}(propan-2-yl)amine (CAS 477869-24-2)
- 6-(4-Methoxyphenyl)-2-((2-tosylethyl)thio)-4-(trifluoromethyl)nicotinonitrile (CAS 625376-41-2)
- 5-(4-Methoxyphenyl)-3-perfluorohexyl-1H-pyrazole (CAS 1029636-49-4)
- 2-((3-(4-Methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)-N-(m-tolyl)acetamide (CAS 477330-41-9)
- 2-((3-(4-Methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)-N-(o-tolyl)acetamide (CAS 476485-66-2)
- 4-Methoxyphenyl 2-Azido-3,6-di-O-benzyl-2-deoxy-β-D-glucopyranoside (CAS 1272755-25-5)
Recommended Standards
- N-(6-Amino-2,4-dioxo-1-phenyl-3-propyl-1,2,3,4-tetrahydropyrimidin-5-yl)-3,5-dibutyl-4-hydroxybenzamide (CAS 176370-48-2)
- Naphthalene-2,6-diylbis((2,6-dimethylnaphthalen-1-yl)methanone) (CAS 157585-49-4)
- 5-Fluoro-2-{[(4-methyl-5-{1-methyl-3-phenyl-1H-thieno[2,3-c]pyrazol-5-yl}-4H-1,2,4-triazol-3-yl)sulfanyl]methyl}-1,3-benzothiazole (CAS 400087-26-5)
- Di-tert-butyl 4,4'-((6-methylpyrimidine-2,4-diyl)bis(oxy))bis(piperidine-1-carboxylate) (CAS 1289386-35-1)
- Allyl (S)-3-amino-4-phenylbutanoate hydrochloride (CAS 352523-25-2)
- (R)-5-fluoro-7-methoxy-1,2,3,4-tetrahydronaphthalen-1-amine (CAS 1212827-64-9)
- N-(2-Cyano-3-methylbutan-2-yl)-2-((4-(4-fluorophenyl)phthalazin-1-yl)thio)acetamide (CAS 764707-09-7)
- 2-Propenoic acid, 2-methyl-, polymer with ethenylbenzene and 2-hydroxypropyl 2-propenoate (CAS 70942-21-1)
- 1-(3,4-Dichlorophenyl)-4,5-dihydro-1H-furo[2,3-c]pyrazole-3-carboxylic acid (CAS 1245104-57-7)
- Folic Acid Impurity 54 (CAS CATO-C4X-139554)
- Dimethylnasetron (CAS 863774-58-7)
- 5-Benzyl-2-oxa-5-aza-bicyclo[2.2.2]octane-4-carboxylic acid (CAS 2379651-37-1)
- 2-Bromo-4-(cyclopropylamino)-3-nitropyridine (CAS 1396554-43-0)
- Tirzepatide Impurity 9 (CAS CATO-C4X-32409)
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